WEEKS WENDELL P

PrivateCIK: 1206158

Location

CORNING, NY

WEEKS WENDELL P (Chairman, CEO & President) exercised options at CORNING INC /NY

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises

WEEKS WENDELL P

Filed: 4/16/2026ACC: 0000024741-26-000191

InsiderWEEKS WENDELL PCIK 1206158

→

IssuerCORNING INC /NYCIK 24741

DirectorOfficer· Chairman, CEO & President

Since Aug 2018

-165.62K

Net shares

Net seller

$27.87M

Total sold

0

Open market trades

0B · 0S

5

Total transactions

340.08K acquired · 505.71K disposed

Non-Derivative Transactions3

Common Stock

Direct

M · Option Exercise

Shares

+235.61K

Price / share

—

Trade value

—

% of position

32.1%

4/15/2026

733.89K→969.50K

Common Stock

Direct

M · Option Exercise

Shares

+104.47K

Price / share

—

Trade value

—

% of position

10.8%

4/15/2026

969.50K→1.07M

Common Stock

Direct

F · Tax Withholding

Shares

−165.62K

Price / share

$168.27

Trade value

$27.87M

% of position

15.4%

4/15/2026

1.07M→908.35K

Total

Net shares

+174.46K

Net value

-$27.87M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	4/15/2026	M · Option Exercise	+235.61K	—	—	32.1%	733.89K	969.50K
Common Stock Direct	4/15/2026	M · Option Exercise	+104.47K	—	—	10.8%	969.50K	1.07M
Common Stock Direct	4/15/2026	F · Tax Withholding	−165.62K	$168.27	$27.87M	15.4%	1.07M	908.35K
Total			+174.46K		-$27.87M

Derivative Transactions2

Performance Share Unit

Direct

M · Option Exercise

Converts to

Common Stock

235.61K shares

Shares

−235.61K

Strike price

Held after

0.00

Exercisable

—

4/15/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

104.47K shares

Shares

−104.47K

Strike price

Held after

0.00

Exercisable

—

4/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Performance Share Unit Direct	Common Stock235.61K shares	4/15/2026	M · Option Exercise	−235.61K		—	0.00
Restricted Stock Unit Direct	Common Stock104.47K shares	4/15/2026	M · Option Exercise	−104.47K		—	0.00

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect

Shares owned11.76K

Common Stock

Indirect

Shares owned7.14K

Common Stock

Indirect

Shares owned9.20K

Total

28.10K indirect28.10K

Security Title	Shares Owned	Ownership Type
Common Stock	11.76K	Indirect
Common Stock	7.14K	Indirect
Common Stock	9.20K	Indirect
Total	28.10K	28.10K indirect

Derivative Holdings (Post-Transaction)5

Performance Share Unit

Direct

Underlying security

Common Stock

Underlying shares

178.49K

Shares owned

178.49K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Unit

Direct

Underlying security

Common Stock

Underlying shares

111.86K

Shares owned

111.86K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Unit

Direct

Underlying security

Common Stock

Underlying shares

86.63K

Shares owned

86.63K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Unit

Direct

Underlying security

Common Stock

Underlying shares

30.87K

Shares owned

30.87K

Exercise price

Expiration

—

Exercise window

—

Performance Share Unit

Direct

Underlying security

Common Stock

Underlying shares

60.11K

Shares owned

60.11K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

467.96K

Owned

467.96K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Performance Share Unit Direct	Common Stock		—	—	178.49K	178.49K
Restricted Stock Unit Direct	Common Stock		—	—	111.86K	111.86K
Restricted Stock Unit Direct	Common Stock		—	—	86.63K	86.63K
Restricted Stock Unit Direct	Common Stock		—	—	30.87K	30.87K
Performance Share Unit Direct	Common Stock		—	—	60.11K	60.11K
Total					467.96K	467.96K

WEEKS WENDELL P — Insider Transaction (Form 4) Filed Apr 16, 2026 | Finecho